Description
TOTOLINK N600R v4.3.0cu.7866_B20220506 was discovered to contain a stack overflow in the ssid parameter in the setWiFiBasicConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/sub_41E0C0/ssid.md
Exploit, Third Party Advisory
https://github.com/z472421519/BinaryAudit/tree/main/PoC/BOF/TOTOLINK/sub_41E0C0
Scores
CVSS v3
7.5
EPSS
0.0022
EPSS Percentile
44.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (1)
totolink/n600r_firmware
4.3.0cu.7866_b20220506
Published
Oct 22, 2025
Tracked Since
Feb 18, 2026